/* =====================================================
   dogamiya-calc.css — Calculator Pages Stylesheet
   Breakpoints: 1024 / 768 / 480 / 360 px
   ===================================================== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;font-size:16px}
body{font-family:'DM Sans',system-ui,sans-serif;background:#FDF6EE;color:#2C1A0E;line-height:1.6;overflow-x:hidden}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button{cursor:pointer;border:none;background:none;font-family:inherit}
ul,ol{list-style:none}
input,select{font-family:inherit}
:root{
  --a:#E8793A;--ad:#C05E22;--al:#F5A56E;--ap:rgba(232,121,58,.10);
  --cr:#FDF6EE;--cd:#F4EAD8;--bk:#2C1A0E;--bm:#5C3D23;--bl:#8B6349;
  --rsm:8px;--rmd:16px;--rlg:24px;--rxl:36px;
  --ssm:0 2px 8px rgba(44,26,14,.08);--smd:0 6px 24px rgba(44,26,14,.12);
  --t:.25s cubic-bezier(.4,0,.2,1);--mw:1200px;
}
/* HEADER */
.hdr{position:sticky;top:0;z-index:100;background:rgba(253,246,238,.96);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid rgba(44,26,14,.07)}
.nav{max-width:var(--mw);margin:0 auto;height:64px;display:flex;align-items:center;justify-content:space-between;padding:0 1.5rem}
.logo{font-family:'Fraunces',Georgia,serif;font-size:1.4rem;font-weight:700;color:var(--bk)}.logo span{color:var(--a)}
.nav-links{display:flex;align-items:center;gap:.2rem}
.nav-links a{padding:.44rem .78rem;font-size:.875rem;font-weight:500;color:var(--bm);border-radius:50px;transition:background var(--t)}
.nav-links a:hover{background:var(--cd);color:var(--bk)}
.ncta{background:var(--a);color:#fff;padding:.5rem 1.15rem;border-radius:50px;font-size:.875rem;font-weight:700;white-space:nowrap}
.ncta:hover{background:var(--ad)}
.burger{display:none;flex-direction:column;gap:5px;padding:6px;background:none;border:none;cursor:pointer}
.burger span{display:block;width:22px;height:2px;background:var(--bk);border-radius:2px}
.mn{display:none;position:fixed;inset:0;background:rgba(44,26,14,.97);z-index:500;flex-direction:column;align-items:center;justify-content:center;gap:1.2rem;padding:2rem}
.mn.open{display:flex}
.mn a{color:rgba(255,255,255,.88);font-size:1.2rem;font-weight:600;padding:.5rem 1.5rem;border-radius:50px}
.mnc{position:absolute;top:1.2rem;right:1.5rem;color:#fff;font-size:1.5rem;background:none;border:none;cursor:pointer}
/* LAYOUT */
.w{max-width:var(--mw);margin:0 auto;padding:0 1.5rem}
/* HERO */
.hero{background:linear-gradient(135deg,#2C1A0E 0%,#5C3D23 55%,#7A4A2A 100%);color:#fff;padding:4rem 1.5rem 3.5rem;text-align:center;position:relative;overflow:hidden}
.hero::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse 70% 60% at 50% 110%,rgba(232,121,58,.18),transparent);pointer-events:none}
.hi{position:relative;z-index:1}
.hero h1{font-family:'Fraunces',Georgia,serif;font-size:clamp(1.85rem,5vw,3rem);font-weight:700;letter-spacing:-.03em;line-height:1.12;margin-bottom:.85rem}
.hero h1 em{font-style:italic;color:var(--al)}
.hero p{color:rgba(255,255,255,.78);max-width:560px;margin:0 auto 1.5rem;font-size:clamp(.9rem,2vw,1.05rem);line-height:1.7}
.bdgs{display:flex;gap:.6rem;justify-content:center;flex-wrap:wrap}
.bdg{display:inline-flex;align-items:center;gap:.3rem;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);color:rgba(255,255,255,.9);padding:.32rem .8rem;border-radius:50px;font-size:.78rem;font-weight:600}
.bc{display:flex;align-items:center;gap:.4rem;font-size:.78rem;color:var(--bl);flex-wrap:wrap;padding:.65rem 0;justify-content:center;margin-bottom:1rem}
.bc a{color:var(--bl)}.bc a:hover{color:var(--a)}
/* PAGE GRID - 2 col desktop, 1 col mobile */
.pg{display:grid;grid-template-columns:1fr 310px;gap:2.5rem;padding:3rem 0 5rem;align-items:start}
.pgm{}
.pgs{display:flex;flex-direction:column;gap:1.5rem;position:sticky;top:80px}
/* CARD */
.crd{background:#fff;border-radius:var(--rxl);box-shadow:var(--smd);padding:2rem;border:1px solid rgba(44,26,14,.05)}
.ct{font-family:'Fraunces',Georgia,serif;font-size:1.3rem;font-weight:700;color:var(--bk);margin-bottom:1.5rem;display:flex;align-items:center;gap:.6rem}
.ci{width:42px;height:42px;min-width:42px;border-radius:var(--rmd);background:linear-gradient(135deg,var(--a),var(--ad));display:flex;align-items:center;justify-content:center;font-size:1.2rem;flex-shrink:0}
/* FORM */
.fg{display:flex;flex-direction:column;gap:1.25rem;margin-bottom:1.5rem}
.fl{display:block;font-size:.875rem;font-weight:700;color:var(--bk);margin-bottom:.45rem}
.fs{font-size:.75rem;color:var(--bl);font-weight:400;margin-left:.2rem}
.inp{width:100%;padding:.85rem 1rem;border:2px solid var(--cd);border-radius:var(--rmd);font-size:1rem;color:var(--bk);background:var(--cr);outline:none;transition:all var(--t)}
.inp:focus{border-color:var(--a);box-shadow:0 0 0 3px rgba(232,121,58,.12);background:#fff}
/* SIZE GRID */
.szg{display:grid;grid-template-columns:1fr 1fr;gap:.65rem}
.szo{position:relative}
.szo input[type=radio]{position:absolute;opacity:0;width:0;height:0}
.szl{display:flex;flex-direction:column;align-items:center;gap:.2rem;padding:.8rem .5rem;border:2px solid var(--cd);border-radius:var(--rmd);cursor:pointer;transition:all var(--t);text-align:center;background:var(--cr)}
.szl:hover{border-color:rgba(232,121,58,.35);background:#fff}
.szo input:checked+.szl{border-color:var(--a);background:rgba(232,121,58,.06);box-shadow:0 0 0 2px rgba(232,121,58,.15)}
.si{font-size:1.5rem;line-height:1}.sn{font-weight:700;font-size:.8rem;color:var(--bk)}.sr{font-size:.68rem;color:var(--bl)}
/* BUTTON */
.btn{width:100%;padding:1rem;border-radius:var(--rlg);background:linear-gradient(135deg,var(--a),var(--ad));color:#fff;font-size:1rem;font-weight:700;cursor:pointer;border:none;transition:all var(--t);display:flex;align-items:center;justify-content:center;gap:.5rem;white-space:normal;text-align:center;min-height:50px}
.btn:hover{transform:translateY(-2px)}.btn:active{transform:none}
/* RESULT */
.res{margin-top:1.5rem;padding:1.5rem;background:rgba(232,121,58,.06);border:1.5px solid rgba(232,121,58,.22);border-radius:var(--rlg);display:none}
.res.show{display:block;animation:fu .38s ease}
@keyframes fu{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}
.rn{font-family:'Fraunces',Georgia,serif;font-size:2.75rem;font-weight:700;color:var(--ad);line-height:1}
.rl{font-size:.83rem;color:var(--bm);margin-top:.15rem}
.rtg{display:inline-flex;align-items:center;gap:.35rem;background:var(--a);color:#fff;padding:.28rem .8rem;border-radius:50px;font-size:.76rem;font-weight:700;margin-top:.75rem}
.rg2{display:grid;grid-template-columns:1fr 1fr;gap:.65rem;margin-top:.9rem}
.rs{background:#fff;border-radius:var(--rmd);padding:.75rem;text-align:center;box-shadow:0 1px 4px rgba(44,26,14,.06)}
.rsn{font-family:'Fraunces',Georgia,serif;font-size:1.2rem;font-weight:700;color:var(--bk)}.rsl{font-size:.68rem;color:var(--bl);margin-top:.1rem}
.rtp{font-size:.84rem;color:var(--bm);line-height:1.65;margin-top:.85rem;padding-top:.85rem;border-top:1px solid rgba(44,26,14,.07)}
/* CONTENT */
.sec{padding:3rem 0}
.stg{display:inline-flex;align-items:center;gap:.35rem;background:var(--ap);color:var(--ad);padding:.28rem .8rem;border-radius:50px;font-size:.73rem;font-weight:700;letter-spacing:.05em;text-transform:uppercase;margin-bottom:.65rem}
.sttl{font-family:'Fraunces',Georgia,serif;font-size:clamp(1.4rem,3vw,2rem);font-weight:700;color:var(--bk);letter-spacing:-.03em;line-height:1.2;margin-bottom:.65rem}
.sttl em{font-style:italic;color:var(--a)}
.prose{font-size:.95rem;color:var(--bm);line-height:1.8}
.prose p{margin-bottom:.9rem}.prose strong{color:var(--bk);font-weight:600}
.ib{background:rgba(232,121,58,.07);border:1.5px solid rgba(232,121,58,.18);border-radius:var(--rmd);padding:1rem 1.25rem;margin:1.1rem 0}
.ibt{font-weight:700;color:var(--ad);font-size:.84rem;margin-bottom:.25rem}
.ib p{font-size:.83rem;color:var(--bm);line-height:1.65;margin:0}
/* TABLE */
.tw{overflow-x:auto;-webkit-overflow-scrolling:touch;border-radius:var(--rlg);box-shadow:var(--ssm);margin:1.5rem 0}
.tbl{width:100%;border-collapse:collapse;background:#fff;font-size:.86rem;min-width:400px}
.tbl th{background:var(--bk);color:#fff;padding:.8rem .9rem;text-align:left;font-weight:700;font-size:.78rem;white-space:nowrap}
.tbl td{padding:.75rem .9rem;color:var(--bm);border-bottom:1px solid var(--cd)}
.tbl tr:last-child td{border-bottom:none}.tbl tr:nth-child(even) td{background:rgba(253,246,238,.5)}.tbl .dk{font-weight:700;color:var(--bk)}
/* STAGE GRID */
.sg{display:grid;grid-template-columns:1fr 1fr;gap:1rem;margin:1.25rem 0}
.sc{background:#fff;border-radius:var(--rlg);padding:1.25rem;box-shadow:var(--ssm);border-left:4px solid var(--a)}
.sc.c1{border-color:#4CAF50}.sc.c2{border-color:#2196F3}.sc.c3{border-color:var(--a)}.sc.c4{border-color:#FF9800}
.sct{font-family:'Fraunces',Georgia,serif;font-size:.93rem;font-weight:700;color:var(--bk);margin-bottom:.3rem}
.scd{font-size:.8rem;color:var(--bm);line-height:1.58}
/* FAQ */
.faq{display:flex;flex-direction:column;gap:.6rem;margin-top:1.5rem}
.fqi{border:1px solid var(--cd);border-radius:var(--rmd);overflow:hidden;transition:border-color var(--t)}
.fqi.open{border-color:rgba(232,121,58,.28)}
.fqt{width:100%;padding:1rem 1.25rem;display:flex;justify-content:space-between;align-items:center;gap:.75rem;text-align:left;background:none;border:none;cursor:pointer;font-family:inherit;font-size:.88rem;font-weight:600;color:var(--bk)}
.fqi.open .fqt{color:var(--ad)}
.fqa{width:24px;height:24px;min-width:24px;border-radius:50%;background:var(--cd);display:flex;align-items:center;justify-content:center;font-size:.68rem;flex-shrink:0;transition:all var(--t)}
.fqi.open .fqa{background:var(--a);color:#fff;transform:rotate(180deg)}
.fqb{max-height:0;overflow:hidden;transition:max-height .38s cubic-bezier(.4,0,.2,1)}.fqi.open .fqb{max-height:600px}
.fqbi{padding:.1rem 1.25rem 1.1rem;font-size:.86rem;color:var(--bm);line-height:1.72}.fqbi strong{color:var(--bk)}
/* RELATED */
.rel{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;margin-top:1.25rem}
.rc{background:#fff;border-radius:var(--rlg);padding:1.25rem;box-shadow:var(--ssm);border:1.5px solid transparent;display:flex;flex-direction:column;transition:all var(--t)}
.rc:hover{border-color:rgba(232,121,58,.22);transform:translateY(-3px);box-shadow:var(--smd)}
.rci{font-size:1.65rem;margin-bottom:.65rem}.rct{font-family:'Fraunces',Georgia,serif;font-size:.93rem;font-weight:700;color:var(--bk);margin-bottom:.3rem}
.rcd{font-size:.77rem;color:var(--bm);line-height:1.52;margin-bottom:.75rem;flex:1}.rcl{font-size:.77rem;font-weight:700;color:var(--ad)}
/* SIDEBAR */
.scard{background:#fff;border-radius:var(--rlg);padding:1.35rem;box-shadow:var(--ssm)}
.scttl{font-family:'Fraunces',Georgia,serif;font-size:.98rem;font-weight:700;color:var(--bk);margin-bottom:.9rem}
.tl{display:flex;flex-direction:column;gap:.45rem}
.ti{display:flex;align-items:center;gap:.65rem;padding:.6rem .75rem;border-radius:var(--rmd);font-size:.84rem;font-weight:500;color:var(--bm);transition:background var(--t)}
.ti:hover{background:var(--cd);color:var(--ad)}.ti.act{background:var(--ap);color:var(--ad);font-weight:700}
.tico{width:30px;height:30px;min-width:30px;border-radius:var(--rsm);background:linear-gradient(135deg,var(--a),var(--ad));display:flex;align-items:center;justify-content:center;font-size:.84rem;flex-shrink:0}
.ctac{background:linear-gradient(135deg,#2C1A0E,#5C3D23);color:#fff;border-radius:var(--rlg);padding:1.35rem;box-shadow:var(--smd)}
.ctat{font-family:'Fraunces',Georgia,serif;font-size:1rem;font-weight:700;margin-bottom:.55rem}
.ctac p{font-size:.8rem;color:rgba(255,255,255,.7);line-height:1.58;margin-bottom:.9rem}
.ctab{display:flex;align-items:center;justify-content:center;background:var(--a);color:#fff;padding:.7rem 1.1rem;border-radius:var(--rmd);font-size:.84rem;font-weight:700;transition:all var(--t);text-align:center}
.ctab:hover{background:var(--al);transform:translateY(-1px)}
/* BCS RADIO */
.bopt{display:flex;align-items:flex-start;gap:.7rem;cursor:pointer;padding:.7rem .9rem;border:2px solid var(--cd);border-radius:var(--rmd);transition:all var(--t);background:var(--cr);font-size:.86rem;color:var(--bm);line-height:1.5;margin-bottom:.55rem}
.bopt:hover{border-color:rgba(232,121,58,.35);background:#fff}
.bopt input[type=radio]{flex-shrink:0;margin-top:.15rem;accent-color:var(--a)}
/* FOOTER */
.ft{background:#2C1A0E;color:rgba(255,255,255,.62);padding:3.5rem 1.5rem 0}
.fti{max-width:var(--mw);margin:0 auto;display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:2.5rem;padding-bottom:2.5rem;border-bottom:1px solid rgba(255,255,255,.07)}
.ftl{font-family:'Fraunces',Georgia,serif;font-size:1.3rem;font-weight:700;color:#fff}.ftl span{color:var(--al)}
.ftbp{font-size:.8rem;line-height:1.7;color:rgba(255,255,255,.42);margin-top:.55rem}
.ftc h4{color:#fff;font-size:.72rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em;margin-bottom:.9rem}
.ftc ul{display:flex;flex-direction:column;gap:.38rem}.ftc a{font-size:.8rem;color:rgba(255,255,255,.42);transition:color var(--t)}.ftc a:hover{color:var(--al)}
.ftb{max-width:var(--mw);margin:0 auto;padding:1.25rem 0 1.75rem;display:flex;justify-content:space-between;align-items:center;font-size:.72rem;flex-wrap:wrap;gap:.45rem;color:rgba(255,255,255,.28)}
.ftb a{color:rgba(255,255,255,.28);margin:0 .35rem}.ftb a:hover{color:var(--al)}
.stb{position:fixed;bottom:1.5rem;right:1.5rem;width:44px;height:44px;background:var(--a);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1rem;box-shadow:var(--smd);opacity:0;pointer-events:none;z-index:50;border:none;cursor:pointer;transition:all var(--t)}
.stb.vis{opacity:1;pointer-events:all}.stb:hover{transform:translateY(-2px);background:var(--ad)}
/* ===== RESPONSIVE BREAKPOINTS ===== */
@media screen and (max-width:1024px){
  .pg{grid-template-columns:1fr !important;gap:1.75rem;padding:2.5rem 0 4rem}
  .pgs{position:static !important;width:100% !important}
  .rel{grid-template-columns:1fr 1fr}
  .sg{grid-template-columns:1fr 1fr}
  .fti{grid-template-columns:1fr 1fr}
}
@media screen and (max-width:768px){
  .nav-links{display:none !important}
  .ncta{display:none !important}
  .burger{display:flex !important}
  .hero{padding:2.75rem 1.25rem 2.5rem}
  .hero h1{font-size:1.75rem}
  .pg{grid-template-columns:1fr !important;padding:1.75rem 0 3rem;gap:1.5rem}
  .pgs{position:static !important;width:100% !important}
  .crd{padding:1.5rem}
  .ct{font-size:1.15rem}
  .ci{width:38px;height:38px;min-width:38px;font-size:1.1rem}
  .szg{gap:.55rem}
  .szl{padding:.7rem .45rem}
  .si{font-size:1.3rem}.sn{font-size:.75rem}.sr{font-size:.63rem}
  .btn{font-size:.92rem;padding:.88rem}
  .rn{font-size:2.2rem}
  .rg2{grid-template-columns:1fr 1fr}
  .sg{grid-template-columns:1fr}
  .rel{grid-template-columns:1fr}
  .fqt{font-size:.84rem;padding:.9rem 1rem}
  .fqbi{font-size:.83rem;padding:.1rem 1rem 1rem}
  .fti{grid-template-columns:1fr 1fr}
  .sttl{font-size:1.5rem}
}
@media screen and (max-width:480px){
  .w{padding:0 1rem}
  .nav{padding:0 1rem}
  .hero{padding:2.25rem 1rem 2rem}
  .hero h1{font-size:1.55rem;letter-spacing:-.02em}
  .hero p{font-size:.87rem}
  .pg{grid-template-columns:1fr !important;padding:1.25rem 0 2.5rem;gap:1.25rem}
  .pgs{position:static !important;width:100% !important}
  .crd{padding:1.15rem}
  .ct{font-size:1.05rem;gap:.4rem}
  .ci{width:34px;height:34px;min-width:34px;font-size:1rem}
  .szg{gap:.45rem}
  .szl{padding:.6rem .35rem}
  .si{font-size:1.15rem}.sn{font-size:.7rem}.sr{font-size:.6rem}
  .inp{font-size:.92rem;padding:.78rem .9rem}
  .btn{font-size:.88rem;padding:.82rem}
  .res{padding:1.1rem}.rn{font-size:1.9rem}
  .rg2{grid-template-columns:1fr 1fr}
  .sttl{font-size:1.3rem}
  .fqt{font-size:.82rem;padding:.85rem .9rem}
  .fti{grid-template-columns:1fr 1fr}
  .ftb{flex-direction:column;text-align:center}
  .bopt{font-size:.82rem;padding:.6rem .75rem}
  .bdgs{gap:.4rem}.bdg{font-size:.73rem;padding:.28rem .7rem}
}
@media screen and (max-width:360px){
  .w{padding:0 .85rem}.nav{padding:0 .85rem}
  .hero{padding:2rem .85rem 1.75rem}.hero h1{font-size:1.38rem}
  .pg{grid-template-columns:1fr !important;padding:1rem 0 2rem}
  .pgs{position:static !important;width:100% !important}
  .crd{padding:1rem}.ci{display:none}
  .szg{gap:.35rem}.szl{padding:.5rem .25rem}
  .si{font-size:1rem}.sn{font-size:.65rem}
  .btn{font-size:.84rem}.rn{font-size:1.7rem}
  .fti{grid-template-columns:1fr}
}
@media (hover:none){.rc:hover,.ctab:hover,.btn:hover{transform:none}}