@import url('https://fonts.googleapis.com/css2?family=DM+Mono:wght@400;500&family=Noto+Sans+JP:wght@400;500;600;700;800&display=swap');

:root { --bg:#06101e; --panel:rgba(9,24,43,.88); --panel-soft:rgba(14,35,59,.72); --text:#eaf5ff; --muted:#a5bbce; --line:rgba(137,195,239,.22); --blue:#70ccff; --mint:#98f0d1; --danger:#ffb6b6; }
* { box-sizing:border-box; }
html { scroll-behavior:smooth; }
body { min-height:100vh; margin:0; color:var(--text); background:var(--bg); font-family:"Noto Sans JP",Meiryo,sans-serif; line-height:1.8; }
body::before { content:""; position:fixed; inset:0; z-index:-1; pointer-events:none; background:radial-gradient(circle at 8% 0%,rgba(44,133,218,.26),transparent 32rem),radial-gradient(circle at 95% 30%,rgba(29,186,153,.13),transparent 28rem),linear-gradient(rgba(112,174,221,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(112,174,221,.04) 1px,transparent 1px); background-size:auto,auto,36px 36px,36px 36px; }
a { color:inherit; }
.wrap { width:min(940px,calc(100% - 40px)); margin:auto; }
.site-header { border-bottom:1px solid var(--line); background:rgba(6,16,30,.72); backdrop-filter:blur(18px); }
.nav { min-height:72px; display:flex; align-items:center; justify-content:space-between; gap:18px; }
.brand { display:flex; align-items:center; gap:10px; text-decoration:none; font-weight:800; font-size:.96rem; }
.brand img { width:35px; height:35px; object-fit:cover; border-radius:10px; box-shadow:0 0 15px rgba(112,204,255,.4); }
.nav-back { color:var(--muted); text-decoration:none; font-size:.86rem; transition:color .2s; }
.nav-back:hover { color:var(--text); }
.page-hero { padding:53px 0 34px; }
.eyebrow { margin:0 0 9px; color:var(--mint); font:500 .76rem/1.4 "DM Mono",monospace; letter-spacing:.12em; text-transform:uppercase; }
h1 { margin:0; font-size:clamp(2rem,6vw,3.1rem); letter-spacing:-.045em; line-height:1.3; }
.intro { max-width:700px; margin:14px 0 0; color:var(--muted); font-size:.95rem; }
.content { padding-bottom:64px; }
.panel { padding:28px; border:1px solid var(--line); border-radius:17px; background:var(--panel); }
.panel + .panel { margin-top:18px; }
h2 { margin:0 0 19px; font-size:1.28rem; letter-spacing:-.02em; }
h3 { margin:0; font-size:1.06rem; }
.button { min-height:49px; display:inline-flex; align-items:center; justify-content:center; padding:0 19px; border:1px solid var(--line); border-radius:10px; background:transparent; color:var(--text); font:700 .92rem "Noto Sans JP",sans-serif; text-decoration:none; cursor:pointer; transition:transform .2s,border-color .2s,background .2s; }
.button:hover { transform:translateY(-2px); border-color:var(--blue); background:rgba(112,204,255,.1); }
.button.primary { color:#06101e; border-color:var(--mint); background:var(--mint); }
.button.primary:hover { background:#c5ffe8; }
.button.full { width:100%; }
.actions { display:flex; flex-wrap:wrap; gap:11px; }
.price-list { display:grid; gap:10px; }
.price-item { display:grid; grid-template-columns:1fr auto; gap:18px; padding:20px; border:1px solid var(--line); border-radius:12px; background:var(--panel-soft); }
.price-item p { grid-column:1; margin:5px 0 0; color:var(--muted); font-size:.86rem; }
.price { align-self:center; color:var(--mint); font:500 1.18rem "DM Mono",monospace; white-space:nowrap; }
.note { padding:19px 20px; border-left:3px solid var(--blue); border-radius:0 10px 10px 0; background:rgba(28,68,100,.34); color:var(--muted); font-size:.88rem; }
.note.warning { border-color:#ef9b9b; background:rgba(104,37,43,.3); color:var(--danger); }
.form-grid { display:grid; gap:20px; }
label { display:block; font-size:.92rem; font-weight:700; }
.hint { display:block; margin-top:2px; color:var(--muted); font-weight:400; font-size:.8rem; }
input,textarea { width:100%; margin-top:8px; padding:13px 14px; border:1px solid var(--line); border-radius:10px; outline:none; background:#081827; color:var(--text); font:400 16px "Noto Sans JP",sans-serif; transition:border-color .2s,box-shadow .2s; }
input:focus,textarea:focus { border-color:var(--blue); box-shadow:0 0 0 3px rgba(112,204,255,.13); }
textarea { min-height:112px; resize:vertical; }
.result { margin-top:18px; padding:17px; border:1px dashed rgba(112,204,255,.45); border-radius:10px; background:#071522; color:#cde9ff; white-space:pre-wrap; font-size:.86rem; }
.result:empty { display:none; }
.tool-grid { display:grid; grid-template-columns:repeat(2,1fr); gap:14px; }
.tool-card { min-height:205px; display:flex; flex-direction:column; padding:24px; border:1px solid var(--line); border-radius:16px; background:var(--panel); text-decoration:none; transition:transform .2s,border-color .2s,background .2s; }
.tool-card:hover { transform:translateY(-4px); border-color:var(--blue); background:var(--panel-soft); }
.tag { color:var(--mint); font:500 .75rem "DM Mono",monospace; letter-spacing:.08em; }
.tool-card p { margin:8px 0 0; color:var(--muted); font-size:.87rem; }
.tool-card span:last-child { margin-top:auto; padding-top:14px; color:var(--blue); font-size:.86rem; font-weight:700; }
.notice-list { display:grid; gap:12px; padding:0; margin:0; list-style:none; }
.notice-list li { padding:17px 19px; border:1px solid var(--line); border-radius:11px; background:var(--panel-soft); color:var(--muted); font-size:.9rem; }
.notice-list b { color:var(--text); }
footer { padding:23px 0; border-top:1px solid var(--line); color:#7892a7; font:.75rem "DM Mono",monospace; letter-spacing:.04em; }
@media (max-width:600px) { .wrap { width:min(100% - 28px,940px); } .nav { min-height:64px; } .page-hero { padding:38px 0 25px; } .panel { padding:20px; } .price-item { grid-template-columns:1fr; gap:6px; } .price-item p { grid-column:auto; } .price { align-self:start; } .tool-grid { grid-template-columns:1fr; } .button { width:100%; } .actions { flex-direction:column; } }