.contact_page{min-height:100vh;padding:18vh var(--space-edge) 12vh;max-width:1100px;margin:0 auto}.contact_title{letter-spacing:-.03em;font-size:clamp(2.6rem,1rem + 5vw,6rem);font-weight:900;line-height:1}.contact_title em{color:var(--accent);font-style:normal}.tag_items{flex-wrap:wrap;gap:.6rem;margin:4vh 0 8vh;display:flex}.tag_item{border:1px solid var(--ink);color:inherit;cursor:pointer;transition:background var(--duration-fast), color var(--duration-fast);background:0 0;border-radius:999px;padding:.5rem 1.1rem}.tag_item:hover{background:var(--ink);color:var(--surface-2)}.tag_item.tag_on{background:var(--accent);border-color:var(--accent);color:#fff}.input_section{grid-template-columns:1fr 1fr;gap:2.5rem 3rem;display:grid}.input_item{flex-direction:column;gap:.6rem;display:flex}.input_wide{grid-column:1/-1}.input_item input,.input_item textarea{border:none;border-bottom:1px solid var(--ink);font:inherit;resize:vertical;background:0 0;outline:none;padding:.6rem 0}.input_item input:focus,.input_item textarea:focus{border-bottom-color:var(--accent)}.bt_section{flex-wrap:wrap;grid-column:1/-1;justify-content:flex-end;align-items:center;gap:1.2rem;display:flex}.contact_error{color:var(--accent-hot);font-family:var(--font-mono);font-size:var(--text-label);letter-spacing:.04em}.contact_done{max-width:38rem;margin-top:6vh;font-size:clamp(1.2rem,1rem + .8vw,1.6rem);line-height:1.6}.submit_bt:disabled{opacity:.6;cursor:default}.submit_bt{border:1px solid var(--ink);background:var(--ink);color:var(--surface-2);font-family:var(--font-mono);letter-spacing:.1em;cursor:pointer;transition:background var(--duration-normal);border-radius:999px;padding:1.1rem 3rem;position:relative}.submit_bt:after{content:"✳";margin-left:.7rem;display:inline-block}.submit_bt:hover{background:var(--accent-hot)}.submit_bt:hover:after{animation:.7s linear infinite button-anim}@keyframes button-anim{to{transform:rotate(1turn)}}@media (max-width:900px){.input_section{grid-template-columns:1fr}}